Message type: E = Error
Message class: DMCLG - DMC Tool Development
Message number: 442
Message text: migration object &1; more than one header structure has been specified
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The SAP error message DMCLG442 indicates that there is an issue with the migration object where more than one header structure has been specified. This typically occurs during data migration processes, such as when using the SAP Data Migration Cockpit or other data transfer tools.
Cause: The error arises when the migration object is incorrectly configured to include multiple header structures. In SAP data migration, a header structure is used to define the main attributes of a data record, and having more than one header structure can lead to ambiguity in how the data should be processed.
Solution: To resolve this error, you can follow these steps: Check Migration Object Configuration: Go to the transaction code used for managing migration objects (e.g., LTMC for the Migration Cockpit). Review the configuration of the migration object in question. Ensure that only one header structure is defined. Adjust the Data Mapping: If you are using a template or a predefined migration object,
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